Critical

Docker Hub flaw let attackers impersonate users, tamper with images

BleepingComputer

October 13, 2026 at 3:20 PM

Overview

Docker has revealed a serious vulnerability in Docker Hub, identified as CVE-2026-105445. This flaw allowed attackers to impersonate other users by exploiting a personal access token (PAT), which could lead to unauthorized access to container repositories. As a result, attackers could potentially tamper with images stored in these repositories, posing significant risks to users who rely on Docker Hub for their container management. The incident underscores the need for all Docker Hub users to review their security practices, especially regarding the management of access tokens. Docker has urged users to take steps to secure their accounts and monitor their repositories for any unauthorized changes.

Key Takeaways

Affected Systems: Docker Hub; all users with container repositories on Docker Hub.
Action Required: Users should review their access tokens and revoke any that are no longer needed.
Timeline: Disclosed on [date]

Original Article Summary

Docker has disclosed a critical vulnerability (CVE-2026-105445) in Docker Hub that let attackers access another user's container repositories using a personal access token (PAT). [...]

Impact

Docker Hub; all users with container repositories on Docker Hub.

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Disclosed on [date]

Remediation

Users should review their access tokens and revoke any that are no longer needed. Implementing two-factor authentication (2FA) for Docker accounts is also recommended to enhance security.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Vulnerability, Critical.

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